diff --git a/css/macdefault.css b/css/macdefault.css
index f0d876d..575ed72 100644
--- a/css/macdefault.css
+++ b/css/macdefault.css
@@ -402,7 +402,7 @@ body {
     right: 0;
     top: 31px;
     width: 350px;
-    background-color: rgba(255, 255, 255, 0.7);
+    background-color: rgba(255, 255, 255, 0.45);
     height: calc(100% - 32px);
     transition: all 0.5s;
     overflow-x: hidden;